Standard deviation. calculate the standard deviation of U.S. Treasury bills, long-term government bonds, and large-company stocks

Standard deviation . Calculate the standard deviation of U.S. Treasury bills , long-term government bonds , and large - company stocks for 1989 to 1998 from Table 8. 1 . Which had the highest variance ?' Which had the lowest variance ? Click on the Spreadsheet Learning Aid to see Table 8. 1 - Year -by - Year Returns , 1950- 1999 Hint : Make sure to round all intermediate calculations to at least seven ( 7 ) decimal places . The input instructions , phrases in parenthesis after each answer box , only apply for the answers you will type . What is the standard deviation of U.S. Treasury bills for 1989 to 1998 ? \% ( Round to three decimal places . )Three-Month Long-Term Large Company Small Company U.S.Treasury Government Stocks Stocks Year Bills Bonds 1950 1.20% -0.96% 32.68% 48.45% 1951 1.49% -1.95% 23.47% 9.41% 1952 1.66% 1.93% 18.91% 6.36% 1953 1.82% 3.83% -1.74% -5.66% 1954 0.86% 4.88% 52.55% 65.13% 1955 1.57% -1.34% 31.44% 21.84% 1956 2.46% -5.12% 6.45% 3.82% 1957 3.14% 9.46% -11.14% -15.03% 1958 1.54% -3.71% 43.78% 70.63% 1959 2.95% -3.55% 12.95% 17.82% 1960 2.66% 13.78% 0.19% -5.16% 1961 2.13% 0.19% 27.63% 30.48% 1962 2.72% 6.81% -8.79% -16.41% 1963 3.12% -0.49% 22.63% 12.20% 1964 3.54% 4.51% 16.67% 18.75% 1965 3.94% -0.27% 12.50% 37.67% 1966 4.77% 3.70% -10.25% -8.08% 1967 4.24% -7.41% 24.11% 103.39% 1968 5.24% -1.20% 11.00% 50.61% 1969 6.59% -6.52% -8.33% -32.27% 1970 6.50% 12.69% 4.10% -16.54% 1971 4.34% 17.47% 14.17% 18.44% 1972 3.81% 5.55% 19.14% -0.62% 1973 6.91% 1.40% -14.75% -40.54%974 975 978 977 978 979 980 981 982 983 5.53% 8.50% 11.07% 0.90% -4.16% 9.02% 13.17% 3.61% -26.40% 37.26% 23.98% -7.26% 6.50% 18.77% 32.48% 4.98% 22.09% 22.37% 6.48% 32.00% 18.40% 5.34% 16.86% 31 34% -29.74% 69.54% 54.81% 22.29% 43.99% 35.34% 7.79% 27.44% 34.49% -14.02% 28.21% 3.40% ~0.53% 15.29% 32 .88% 23 .98% 985 986 987 988 989 990 991 992 993 994 995 996 997 998 999 50-year average Standard Deviation 8.40% 19.49% 7.13% 18.39% 7.79% 15.48% -7.18% 31.67% 41.81% 15.08% 13.52% -8.74% 5.936% 21.72% 8.37% -27.08% 50.24% 27.84% 20.30% -3.34% 33.21% 18.50% 22.36% -2.55% 21.26% 30.66% 7.71% 9.87% 1.29% 37.71% 23.07% 33.17% 28.58% 21.04% 14.890% 9.493% 18.69581: 29.043% Note: Sources for annual returns are the Center for Research on Security Prices, Standard &Poor's 500 index, Russell 2000 index, and SolomonSmith Barney US. Treasury bill index